San Sebastián is a municipality of Puerto Rico located northwest of the island, south of Isabela, Quebradillas and Camuy; north of Las Marías; east of Moca and Añasco; and west of Lares. San Sebastián is spread over twenty-four wards and San Sebastián Pueblo . It is a principal city of the Aguadilla-Isabela-San Sebastián Metropolitan Statistical Area. More from Wikipedia...